CNAE 8640-2/02 · Maranhão
Clinical laboratories in Maranhão
435 active companies are headquartered in Maranhão with this CNAE as their main activity. They represent 3.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 13,924
What this list shows
We count each active company once, by its head office in this state and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Companies in Maranhão
- 435
- 3.1% of Brazil's
- Of every 100 companies in Maranhão
- 0.1
- do this activity
- Among Brazil's federative units
- 12th
- by companies in this activity
Active companies in Maranhão
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 8 of 10- CLINICA E LABORATORIO CAMPOS & JESUS LTDAPaulo Ramos (MA)
- BRASIL E CARNEIRO LIMITADAEsperantinópolis (MA)
- DOUTOR CONSULTA LTDABalsas (MA)
- CIM - LAB LABORATORIO E CLINICA DA SAUDE DA MULHER LTDAPedreiras (MA)
- LSP MEDICINA PREVENTIVA E DIAGNOSTICA LTDAImperatriz (MA)
- HEMOLAB LTDALajeado Novo (MA)
- W E W SERVICOS CLINICOS LTDATimon (MA)
- CLINICAL LABORATORIO LTDAJoão Lisboa (MA)
- LABORATORIO MARANHENSE LTDAMatinha (MA)
- G A AIRES RIBEIRO LTDAVitorino Freire (MA)
- LABORATORIO V L MUNIZ LTDASão Luís (MA)
- DANIELLE V L CANTANHEDE LTDABarreirinhas (MA)
- CENTRO DE DIAGNOSTICO CLINICO E TRATAMENTO LTDARiachão (MA)
- MEDPRIME LTDAPindaré-Mirim (MA)
- BENIGNUS SOCIEDADE EMPRESARIAL LTDAPedreiras (MA)
- A ALENCAR SILVA SERVICOS LTDAAmarante do Maranhão (MA)
- LABCENTER LUIZA LTDAFortaleza dos Nogueiras (MA)
- T A P NASCIMENTO LTDAChapadinha (MA)
- MEDICINA E DIAGNOSTICO ANTONIOLLI LTDAJoão Lisboa (MA)
- VITALIS ANALISES E CITOLOGIA CLINICA LTDAImperatriz (MA)
- SAUDE E DIAGNOSTICO MARANHAO LTDASanta Inês (MA)
- BARROS & FALCAO LTDAGrajaú (MA)
- JR MARTINS ANALISES CLINICAS LTDASão Luís (MA)
- RAYARA T. DE S. CARVALHO & CIA LTDAGrajaú (MA)
- CARLOS E. A. SILVA & CIA. LTDA.São Domingos do Maranhão (MA)
- BIOLIFE CLINICA E LABORATORIO LTDAVitória do Mearim (MA)
- LABORATORIO DO TRABALHADOR BRASILEIRO LTDARosário (MA)
- FURTADO & MARTINS LTDASão Raimundo das Mangabeiras (MA)
- M. H. X. BRANDAO TORRES & CIA. LTDA.Colinas (MA)
- LAC VIDA LABORATORIO E CLINICA DE IMAGEM LTDAPedreiras (MA)
List limited to 300 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
How much the activity weighs
of every 100 active companies, how many do this activity
- Maranhão0.1
- Brazil0.1
In Maranhão, the activity weighs 2.4 times what it does in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 11.7% 51
- 2 Imperatriz 6.7% 29
- 3 Balsas 4.4% 19
- 4 Presidente Dutra 3.0% 13
- 5 Caxias 2.8% 12
- 6 Santa Inês 2.8% 12
- 7 Bacabal 2.3% 10
- 8 Barra do Corda 2.1% 9
- 9 Colinas 2.1% 9
- 10 Pedreiras 2.1% 9
20 more cities
- 11 Timon 9
- 12 Chapadinha 8
- 13 Grajaú 8
- 14 Açailândia 7
- 15 Estreito 7
- 16 Codó 6
- 17 Pinheiro 6
- 18 Itapecuru Mirim 5
- 19 São José de Ribamar 5
- 20 São Domingos do Maranhão 5
- 21 Vitorino Freire 5
- 22 Maracaçumé 4
- 23 Paço do Lumiar 4
- 24 Porto Franco 4
- 25 Santa Luzia 4
- 26 Buriticupu 3
- 27 Formosa da Serra Negra 3
- 28 Itinga do Maranhão 3
- 29 Raposa 3
- 30 Amarante do Maranhão 3
Class 8640-2 in Maranhão
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Pathological anatomy and cytology laboratories | 35 |
| 8640-2/02 Clinical laboratories · this one | 435 |
| 8640-2/03 Dialysis and nephrology services | 45 |
| 8640-2/04 Computed tomography services | 45 |
| 8640-2/05 Diagnostic imaging with ionizing radiation, except tomography | 198 |
| 8640-2/06 Magnetic resonance imaging services | 11 |
| 8640-2/07 Diagnostic imaging without ionizing radiation, except MRI | 93 |
| 8640-2/08 Diagnostic services by graphic recording - ECG, EEG and similar tests | 16 |
| 8640-2/09 Diagnostic services by optical methods - endoscopy and similar tests | 13 |
| 8640-2/10 Chemotherapy services | 6 |
| 8640-2/11 Radiotherapy services | 2 |
| 8640-2/12 Hemotherapy services | 3 |
| 8640-2/13 Lithotripsy services | 0 |
| 8640-2/14 Human cell and tissue bank services | 0 |
| 8640-2/99 Diagnostic and therapeutic support services not elsewhere classified | 43 |
Close to this: 8640-2/01 · Pathological anatomy and cytology laboratories, 35 companies in Maranhão.
What activity 8640-2/02 is
- As atividades dos laboratórios de análises clínicas
- As atividades dos laboratórios de biologia molecular
- Os postos de coleta laboratorial
Frequently asked questions
How many companies have main CNAE 8640-2/02 in Maranhão?
435 active companies have CNAE 8640-2/02 as their main activity in Maranhão, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Maranhão's cities has the most companies in this activity?
São Luís, with 51, 11.7% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies with this as their main activity, counted by head office in Maranhão.